Barrier Reef Trepang or Bêche-de-Mer from The Great Barrier Reef of Australia 1893 by William Saville-Kent 1845-1908. Fig 1-2: Red fish Actinopyga obesa Fig 3: Green Prickly-fish Stichopus Chloronotus Fig 4: Colochirus Anceps Fig 5: Holothurisa Coluber F IStockHistory com